Department Of Transportation Uniform Tire Quality Grades
The following tire grading categories were established by the National Highway Traffic Safety Administration. The specific grade rating assigned by the tire’s manufacturer in each category is shown on the sidewall of the tires on your vehicle.
All passenger car tires must conform to Federal safety requirements in addition to these grades.
See also:
Common Towing Definitions
The following trailer towing-related definitions will assist
you in understanding the following information: ...
Lights On Reminder
If the headlights or parking lights are on after the ignition
is turned OFF, a chime will sound to alert the driver
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Traction
When driving on wet or slushy roads, it is possible for a
wedge of water to build up between the tire and road
surface. This is hydroplaning and may cause partial or
complete loss of vehicle con ...